EP2965490A1 - Verfahren und vorrichtung zum authentifizieren von personen - Google Patents
Verfahren und vorrichtung zum authentifizieren von personenInfo
- Publication number
- EP2965490A1 EP2965490A1 EP14727702.4A EP14727702A EP2965490A1 EP 2965490 A1 EP2965490 A1 EP 2965490A1 EP 14727702 A EP14727702 A EP 14727702A EP 2965490 A1 EP2965490 A1 EP 2965490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- person
- password
- host
- random
- rule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 description 10
- 238000004364 calculation method Methods 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
- H04L63/0838—Network architectures or network communication protocols for network security for authentication of entities using passwords using one-time-passwords
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/36—User authentication by graphic or iconic representation
Definitions
- the invention relates to a method for authenticating a person to a host, wherein the host requests from the person a temporary password for the access of a service of the host that a random information is generated, the person via a communication device as an input value for an algorithm for Is provided from which the temporary password is calculated, that the same algorithm is used by the person and the host to calculate the password and that after determining the correspondence between the password calculated by the person and the host, the access of the person to the service the host is released.
- the invention relates to a device for authenticating persons to a host, with a processing device by means of which an algorithm is applied to the random information in the host for calculating a temporary password.
- a method for authenticating a person to a host, according to which the access to a service of the host by a person has to be applied a predetermined algorithm to a random number transmitted by the host to the person.
- the algorithm used must be stored for this purpose in a terminal of the person, for example in the personal computer.
- the algorithm calculates a temporary password from input parameters such as the random number, a number of previous connections, and other parameters, which is then returned to the host.
- the invention is characterized by the preamble of patent claim 1, characterized in that the random-related information is displayed in the context of a password request routine of the person's host and that the person responds with the input of a temporary password, using as input for the secret algorithm the temporary password only the random information is used.
- only random information provided by a person's host is used, using an algorithm, to determine a password that, after checking the correspondence with a password similarly calculated by the host, accesses the person Services of the host allows.
- only the algorithm is applied to the randomized information sent to compute the access-enabling password.
- the invention is based on the assumption that the secret algorithm used is known only to the host and the person. Spying out third parties does not benefit from the knowledge of the entered password if other random information is provided at the next password request routine. This would entail determining another password.
- the password sent to the host is thus usually temporary and changes as the randomized information provided by the host changes.
- the algorithm of the person is communicated as a secret password determination rule before using the host service as part of an identification and / or a contract with respect to the host service.
- the person need not remember a fixed number or combination of characters, but rather a fixed password determination rule.
- the random information of the host is changed as a function of time and / or the person. This change can be done at random. This ensures that the same person does not receive the same random information from the host several times in succession. Spying on the entered password would thus not lead to abuse of the person's intended use of the services.
- the invention in connection with the preamble of claim 6, characterized in that the algorithm is already known as the secret password determination rule of the person and that the password determination rule is selected such that the temporary password using the password retrieval rule exclusively determined from the random information is.
- the advantage of the invention is, in particular, that by providing a secret password determination rule which is known only to the person and the host, a temporary password can be determined from random information provided by the host, which usually changes with each authentication. Thus, spying on the entered temporary password by a third person would not lead to access to the services of the host on renewed authentication.
- the basic idea of the invention is that the person is assigned a secret password determination rule by the host instead of a secret password, as is known from the prior art. According to the invention, it is ensured that, in virtually every authentication process, a different temporary password is determined, since the random-related information provided by the host has changed.
- the password retrieval rule is a freely selectable, related to numeric or alphanumeric character rule, which preferably has such a degree of simplicity that the person is this provision by remembering or reading from an information carrier available.
- the host can specify password provisioning rules at different security levels, under which the person selects a suitable one for them.
- the password determination rule is selected so that the calculated temporary password has a maximum length of four alphanumeric or numeric characters.
- the input effort can be limited by the person.
- the password may be three alphanumeric or numeric characters long.
- each person is assigned a single password determination rule. Even if several persons are assigned the same password determination rule, the sending of the random information by the host, which is preferably changed randomly at each request, ensures a high degree of security.
- the I / O unit can be integrated in a terminal or in a terminal, for example a personal computer, a mobile telephone or an ATM.
- the invention can be used anywhere where the access or access to secure information or services to be protected by entering a password.
- the password determination rule is determined by selecting one or more characters of the random-related information and / or by applying a mathematical rule to one or more formed several characters of random information.
- the person thus need not remember a combination of numbers, but only the relatively simple password determination rule that is applied to the random information.
- the Passwo t 1 adjsvorschrift may provide, in the simplest case that the person determines the temporary password from the randomized-related information to the effect that one or more characters is used at a certain point of the random-related information.
- an alarm provision can additionally be applied to the random-related information, which is dependent on the password-determining rule.
- an alarm password can be generated from the random information that, after entering the I / O unit of the terminal and sending it to the host, is compared with an alarm password calculated from the sent randomized information according to the same alarm rule, so that if it matches then the terminal on which the person is located is blocked.
- an ATM can be blocked by a person if this person has a reasonable suspicion that she has been spied on by another person in the intent of fraud.
- the alarm instruction can be formed, for example, a specific sequence, for example by a reverse order of the temporary password.
- the random information sent by the host to the person in response to a request thereof can be designed in such a way that an authenticity result can be determined from it using a user-related authenticity rule, so that the authenticity of the authenticity result can be determined in accordance with a predetermined authenticity result Host against the person is detected.
- the random information thus has a person-individual or person-dependent Authentizticiansrrperkmal, so that the person in the context of the authentication process ' at the same time determine the authenticity or the authorization of the host. If the person applies the authenticity rule to the random information sent, the person can immediately determine the authenticity result.
- this authenticity routine can be used in a data network (eg Internet Protecting against Trojans or concluding legally binding contracts with another person Since the authenticity can be determined before the temporary password is entered and sent to the host, the disclosure of security-relevant information to the "non-genuine" host can be reliably prevented.
- a data network eg Internet Protecting against Trojans or concluding legally binding contracts with another person Since the authenticity can be determined before the temporary password is entered and sent to the host, the disclosure of security-relevant information to the "non-genuine" host can be reliably prevented.
- the request of the person to the host to provide the random information with integrated authenticity feature by transmitting a user identification.
- the host will then provide the random information using the user-related authenticity feature on that random information of the person.
- the authenticity feature is understood to mean the user-related authenticity rule that is applied to the random information. In this way, the person can easily and quickly determine the authenticity of each communication partner.
- FIG. 1 is a schematic representation of an authentication device
- FIG. 2 is a flowchart of a password detection routine
- Figure 3 shows a display variant of an I / O unit for entering a temporary password
- Figure 4 is a list of possible password determination rules.
- the invention enables the authentication of persons, in particular in unprotected environments, for example
- access control e.g., door opener systems
- non-contact systems e.g., cash transfer via NFC - Near Field Communication or RFI D systems
- nPA new identity card
- eGK new electronic health card
- a host 1 may be a background system that is connected via a communication device 2 to a technical device 3, such as a terminal or a terminal.
- the communication device 2 may be formed, for example, a network, in particular a communication network, such as Internet, LAN network.
- the technical device 3 can thus be designed, for example, as a personal computer or a mobile telephone or another portable or non-portable data device.
- the host 1 may alternatively be designed as a terminal or as a terminal.
- the host 1 has a processing device 4 with a control unit and a memory, by means of which the communication with the terminal 3 is controlled.
- the processing device 4 has, on the one hand, a random generator, by means of which a random-related information 5 of predetermined length and consisting of numeric or alphanumeric characters is generated. Furthermore, the processing device 4 has storage means, so that a plurality of algorithms can be stored as secret password determination provisions 6.1, 6.2, 6.3, 4.6.
- the technical device or terminal 3 also has a control unit and a memory to allow communication with the host. Further, the terminal 3 has an input / output unit (I / O unit) 7, by means of which information of a person can be displayed and information can be input thereto.
- I / O unit input / output unit
- a password request routine is carried out by the processing device 4. For example, if the person wishes to access a building, terminal I 3 opens a window in I / O unit 7 where the person in a name field 8 can enter their user name. Alternatively, a credit card or the like may be inserted into a card slot of the I / O unit 7 or the process may be started via voice control.
- the host 1 then generates a random-related information 5, see step 10 in FIG. 2, which is then transmitted via the communication device 2 to the terminal 3. Subsequently, in a step 1 1, the random information is displayed in a random information field 12 of the I / O unit 7. This completes a password request from the host.
- the random information 5 is an alphanumeric string generated in the randomizer of the processor 4.
- the random number generator is configured in such a way that a new random information 5 is always generated for each password request routine of a particular person.
- the random-related information assigned to each person is stored and checked on each random-related information generation whether the current generated random-based information is stored together with the randomized information. related information matches. In case of a match, the current random information is discarded and a new one is generated.
- step 13 the person applies the secret password determination instruction 6 to the random information 5.
- FIG. 4 exemplifies a number of secret password determination rules 6 which are known exclusively to the host 1 and the person.
- the secret password determination rule assigned to a person for one or more services by the host 1 has been delivered in a secure way to the person in advance upon establishment of the service. It should preferably be so simple that the person can remember the rule.
- the secret password determination rule may also be present on a piece of paper or data carrier which the person may be able to access quickly.
- a simple secret password determination rule 6.1 in FIG. 4 provides that the person determines the fifth and ninth numbers of the random-related information items 5 shown in the I / O unit 7 and enters them into a response field 16 of the I / O unit 7 in step 14 , Subsequently, in step 15, this temporary password is transmitted to the host 1. In a checking step 17, it is then determined in the host 1 whether the temporary password entered by the person agrees with the temporary password calculated by the host 1. If the match is found, the person is allowed access, see step 18. If no match has been found, the person's access to the service of the booth is denied, see step 19.
- FIG. 4 shows further password determination regulations 6.2, 6.3, 6.4.
- Each person is assigned a predetermined secret password determination rule for a particular service.
- each person is assigned a predetermined secret password determination rule 6 for private use and another predetermined secret password determination rule 6 for business or professional use.
- each person may be assigned a single predetermined secret password determination rule 6 regardless of the purpose of use.
- multiple password determination regulations 6 are used for accessing the service by a single person.
- a single random-based information item 5 is specified, several password determination methods known only to the host and the person, but otherwise secret password determination methods lead to different temporary passwords. Assuming that eavesdropping attempts take place with the aim of regressing (for example, by reengineering) the password retrieval rule on the basis of positive authentication examples, this obfuscation technique can make this considerably more difficult.
- the random information 5, which is displayed in the password request in the I / O unit 7, may consist of alphanumeric characters of different colors, namely
- the host 1 is designed as a terminal, for example as a mobile phone, to which the person is to identify, a local implementation of the secret password determination rule 6 in the mobile phone is required.
- this password determination rule should be stored on a chip of the mobile phone or in a portable data carrier of the person.
- the portable data carrier can be operated by contact and / or contactless and communicates with the mobile phone.
- the host 1 is a background system or a server
- an encrypted data transmission takes place.
- the terminal 3 does not need to know the secret password determination rule 6.
- the person may authenticate himself to the same user account to different hosts 1, for example a website, a bank or a local area network.
- a single secret password determination rule 6 can be used to authenticate different accesses of the person.
- the secret password determination rule 6 could be stored, for example, in a standardized template or in a compilation of source code.
- the secret password determination rule 6 could be stored in a Java smart card and executed there as well.
- the invention enables applications in the public domain, since the temporary password entered by the person is only temporarily valid, namely only for a single password request routine.
- another temporary password 20 is determined, which is indicated by e.g. Speech recognition can be received by the I / O unit 7.
- the I / O unit 7 can also be designed as a touch-sensitive screen (touch screen) in order to enable a compact input and output of information.
- the screen is designed as a color screen, so that colored characters for the random information 5 can be used.
- the random-related information 5 may alternatively be information with random shares, without exclusively containing random information. Decisive for security is the secret selection of the shares necessary for the calculation of the temporary password.
- the random information 5 may also include weekday or date information and / or time information in addition to the random information.
- the random information 5 may consist of numeric and / or alphanumeric characters and / or binary data and / or color code data.
- the invention enables simple and secure authentication, in particular it enables:
- the password determination rule 6.1 consists of a selection of one or more characters of the random-related information 5.
- the person only needs to remember a certain number of positions or positions of characters in the random-related information 5 and not a combination of numbers.
- the input of the characters of the random information 5 determined by the password determination rule 6.1 then leads to a positive authentication result, which allows access.
- this is determined by applying a simple mathematical rule to one or more characters of the random information 5. Possibly. It is also possible for a combination of the selection of one or more characters of the random-related information and the application of mathematical rules to one or more characters of the random-related information 5 to take place.
- an alarm provision which is dependent on the password determination rule can also be applied to the random-related information 5.
- the host may be notified that an alarm exists. If the terminal of the person, for example. Is an ATM, can be communicated in this way to the host in an unrecognizable manner that the ATM should be blocked. After checking the alarm password sent to the host for compliance with the alarm password calculated by the host from the random information in accordance with the predetermined alarm policy, the host may initiate the blocking of the ATM.
- an authenticity routine can be integrated into the authentication method by means of which the authenticity of the host with respect to the person can be determined.
- the host receives a corresponding authenticity request from the person.
- the random information 5 transmitted by the person's host is modified to include a user-related authenticity feature, so that the person can check the authenticity based on the random information that is present in a first step.
- the verification of the authenticity takes place by means of the user-related authenticity rule, which is known exclusively to the host and the person.
- the host has modified random information 5 according to this authenticity rule and sent it to the person.
- the person determines from the random information 5 using the authenticity rule an authenticity result, which is checked with a person present predetermined authenticity result to match. Votes these two Match results, the authenticity of the host is given to the person.
- the randomized information 5 can be made, for example, for the randomized information 5 always to contain three blue numbers in the host's response.
- the user-related authenticity rule may have a checksum of 12 in the last number triplet.
- the user-related authenticity rule can, for example, contain provisions, as indicated in FIG. 4 for the password determination rule. It is essential that the password determination rule and the authenticity rule differ from each other.
- the user-related authenticity rule can be formed by selecting one or more characters of the random-related information 5 and / or by applying a mathematical rule to one or more characters of the random-related information 5.
- the request of the person to the host can be made by transmitting a user identification, as is customary in e-mail traffic, for example. Once the authenticity of the host has been determined by the person, the temporary password can then be used to communicate with the host or another person.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013102092.5A DE102013102092B4 (de) | 2013-03-04 | 2013-03-04 | Verfahren und Vorrichtung zum Authentifizieren von Personen |
PCT/DE2014/100073 WO2014135153A1 (de) | 2013-03-04 | 2014-03-03 | Verfahren und vorrichtung zum authentifizieren von personen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2965490A1 true EP2965490A1 (de) | 2016-01-13 |
EP2965490B1 EP2965490B1 (de) | 2020-04-15 |
Family
ID=50884187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14727702.4A Active EP2965490B1 (de) | 2013-03-04 | 2014-03-03 | Verfahren zum authentifizieren von personen |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160021102A1 (de) |
EP (1) | EP2965490B1 (de) |
DE (1) | DE102013102092B4 (de) |
WO (1) | WO2014135153A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9699594B2 (en) * | 2015-02-27 | 2017-07-04 | Plantronics, Inc. | Mobile user device and method of communication over a wireless medium |
US10917400B1 (en) * | 2016-02-19 | 2021-02-09 | United Services Automobile Association (Usaa) | Online security center |
DE102017127280B4 (de) * | 2017-11-20 | 2021-09-02 | Tolga Keser | Schutz vor realtime phishing und anderen attacken während eines login-prozesses an einem server |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20030079A1 (it) | 2003-02-06 | 2004-08-07 | Infm Istituto Naz Per La Fisi Ca Della Mater | Procedimento e sistema per l'identificazione di un soggetto |
US20060031174A1 (en) * | 2004-07-20 | 2006-02-09 | Scribocel, Inc. | Method of authentication and indentification for computerized and networked systems |
US8006300B2 (en) * | 2006-10-24 | 2011-08-23 | Authernative, Inc. | Two-channel challenge-response authentication method in random partial shared secret recognition system |
JP5184627B2 (ja) * | 2007-06-26 | 2013-04-17 | G3−ビジョン リミテッド | コミュニケーション装置、認証システム及び方法、並びにキャリア媒体 |
CH701050A1 (fr) * | 2009-05-07 | 2010-11-15 | Haute Ecole Specialisee Bernoise Technique Inf | Procédé d'authentification. |
DE102011016150A1 (de) * | 2011-03-28 | 2012-10-04 | Jurij Schilling | Authentifizierungsmethode mittels eines auf dem Algorithmus basierendes Kennwortes |
-
2013
- 2013-03-04 DE DE102013102092.5A patent/DE102013102092B4/de active Active
-
2014
- 2014-03-03 EP EP14727702.4A patent/EP2965490B1/de active Active
- 2014-03-03 US US14/772,953 patent/US20160021102A1/en not_active Abandoned
- 2014-03-03 WO PCT/DE2014/100073 patent/WO2014135153A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014135153A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014135153A1 (de) | 2014-09-12 |
US20160021102A1 (en) | 2016-01-21 |
DE102013102092A1 (de) | 2014-09-04 |
EP2965490B1 (de) | 2020-04-15 |
DE102013102092B4 (de) | 2015-08-20 |
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